Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Examinations, 04-BS-2 Probability and Statistics — May 2015. Closed book (approved calculator + one hand-written information sheet); statistical tables of the Normal, t, chi-square and F distributions supplied. The paper states that only 5 of the 8 questions constitute a complete paper — every question is solved in full as a study resource.
Reference texts: Walpole, Myers, Myers & Ye, Probability & Statistics for Engineers and Scientists (9th ed.) — sampling distributions, binomial/Poisson/hypergeometric models, confidence intervals, hypothesis testing, correlation and simple linear regression.
